(a) Operating Costs. Section 5.3 is hereby deleted in its entirety and replaced with
the following provision:

Except as otherwise provided herein, Lessor shall pay certain fixed and variable
costs related to the Aircraft, including, without limitation, all costs of
insurance, hangarage at the Operating Base, maintenance and inspections, overhauls,
oils and other lubricants. The foregoing notwithstanding, Lessee shall, at its own
expense, (i) pay costs of fuel required for operation of Lessee’s flights, (ii) pay
standard catering costs, (iii) locate and retain (either through direct employment
or contracting with an independent contractor for flight services) all pilots and
other cabin personnel required for Lessee’s operations of the Aircraft (collectively
the “Flight Crew”), and (iv) pay all miscellaneous out-of-pocket expenses incurred
in connection with Lessee’s operation of the Aircraft, including, but not limited
to, landing fees, ramp fees, overnight hangar fees, de-icing costs, contaminant
recovery costs, special-request catering and commissary costs, in-flight
entertainment and telecommunications charges, ground transportation, Flight Crew
travel expenses, charts, manuals, and other publications obtained for the specific
flight, and any other similar items.

     (b) Hourly Rent. On Schedule A to the Lease Agreement the Hourly Rent is hereby
deleted and replaced with the amount of $350.00 per Flight Hour.